import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/users/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import Goods from '../components/goods/Goods.vue'
import Orders from '../components/order/Orders.vue'
import Reports from '../components/reports/Reports.vue'
import Add from '../components/goods/Add.vue'

Vue.use(VueRouter)

const routes = [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
        path: '/Home',
        component: Home,
        // 重定向到welcome页面
        redirect: '/Welcome',
        children: [
            { path: '/Welcome', component: Welcome },
            { path: '/users', component: Users },
            { path: '/rights', component: Rights },
            { path: '/roles', component: Roles },
            { path: '/categories', component: Cate },
            { path: '/params', component: Params },
            { path: '/goods', component: Goods },
            { path: '/orders', component: Orders },
            { path: '/reports', component: Reports },
            { path: '/goods/add', component: Add }
        ]
    }
]

const router = new VueRouter({
    routes
})

//挂在路由导航守卫
router.beforeResolve((to, from, next) => {
    //to 将要访问的路径
    //from 代表从哪个路径跳转过来
    //next 是一个函数,表示放行 next()=>放行 next('/login')=>强制跳转到login页面

    if (to.path == '/login') return next()
        //获取token值
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
        //否者放行
    next()
})

export default router